[PATCH] libphobos, testsuite: Add prune clauses for two Darwin cases.

[Iain Buclaw]

Excerpts from Iain Sandoe's message of November 19, 2021 4:59 pm:
> Depending on the permutation of CPU, OS version and shared/non-
> shared library inclusion, we get can get two warnings from the
> external tools (ld64, dsymutil) which are not actually GCC issues
> but relate to the external tools.  These are already pruned in
> the main testsuite, this adds them to the library.
> 
> tested on x86_64,i686-darwin17 where the problem shows up.
> OK for master / backports?
> thanks
> Iain
> 

OK from me.
Iain.


> Signed-off-by: Iain Sandoe <iain@sandoe.co.uk>
> 
> libphobos/ChangeLog:
> 
> 	* testsuite/lib/libphobos.exp: Prune warnings from external
> 	tool bugs.
> ---
>  libphobos/testsuite/lib/libphobos.exp | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/libphobos/testsuite/lib/libphobos.exp b/libphobos/testsuite/lib/libphobos.exp
> index 3be2092b12e..2af430a0e45 100644
> --- a/libphobos/testsuite/lib/libphobos.exp
> +++ b/libphobos/testsuite/lib/libphobos.exp
> @@ -90,6 +90,13 @@ proc libphobos-dg-test { prog do_what extra_tool_flags } {
>  }
>  
>  proc libphobos-dg-prune { system text } {
> +
> +    # Ignore harmless warnings from Xcode.
> +    regsub -all "(^|\n)\[^\n\]*ld: warning: could not create compact unwind for\[^\n\]*" $text "" text
> +
> +    # Ignore dsymutil warning (tool bug is actually linker)
> +    regsub -all "(^|\n)\[^\n\]*could not find object file symbol for symbol\[^\n\]*" $text "" text
> +
>      return $text
>  }
>  
> -- 
> 2.24.3 (Apple Git-128)
> 
>